Chaiken (1987) and Other Proponents of the Heuristic-Systematic Model of Persuasion

Chaiken (1987) and other proponents of the heuristic-systematic model of persuasion assert that emotions often signal us as to our true attitudes.By this they mean that

A) emotional responses are the basis of most attitudes.
B) emotions often inform our "How do I feel about it?" heuristic.
C) careful analysis of message contents invokes strong emotions.
D) positive emotions are used as a heuristic but negative emotions are not.